On 2018-02-21 09:49 AM, Bas Vermeulen wrote: > Hi, > > I am unsure if this is the right place to ask, but it seems relevant. > > I am trying to use an AMD E8860 (SI) board connected to an E6500 PowerPC > board (T2080RDB from NXP). > The T2080RDB does not use a BIOS, and uses u-boot to bootstrap Linux. > > I have the E8860 connected to a PCIe x4 slot with an adapter. The kernel > is a 4.1, with DRM included in the kernel and the radeon as a module. > The radeon driver detects the card, notices the BIOS hasn't posted and > starts things up. > After that, the ring tests get run, and fails on the ring 0 test, > disabling acceleration. The graphics card is (or seems to be) working > apart from that, the driver starts up and sees the connectors on the board. > > When I compare dmesg on an x86 machine and the PPC machine, I see that > the x86 machine loads a lot more firmware from the kernel (probably the > acceleration parts?). FWIW, that's probably just a subsequent symptom due to the ring test failure. > My question is, what do I need to do to correctly initialize the E8860 > board on my powerpc machine? Start by sharing the dmesg output, and maybe also the kernel build configuration file. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer
